OpenTechnical

OT-2026-000029218

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000029218) never changes.

Identity and time

Publication numberOT-2026-000029218 · never reused
Internal UUID01a0ae73-2aa0-71d1-9537-c5b25b74f37e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029218
StatusPUBLIC

Content hashes

Canonical text633f77038195f5fa82b677892ac22dc5fc9a340ee761b2be9a05e8da5b869e18
Markdown101e7a5fbfc3ff19b964309c0a5838d5b09e78a14cbd31e276c460ef60982082
PDF
Publication page03d8aaf6fc81e0be509f814b5439a93f174c25fb6e2bcec20d3ef2db92554561
Manifestdd5065d18d1af29f3b8acc188fa85887ca9284bf7831b86abce2d3a3d0d4dac8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2PRS5YEj3FK7fJOkMt9meTX5vqetMQNwZAfjnPNIXowPNIyhZFkzZlzFH9uiUrcIC9FdFnx7vyBl35lD/y3mDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:50.268689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029218
observed 03d8aaf6fc81e0be509f814b5439a93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.250409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029218/manifest.json
observed dd5065d18d1af29f3b8acc188fa85887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.232634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029218/publication.md
observed 101e7a5fbfc3ff19b964309c0a5838d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:50.216537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029218/publication.txt
observed 633f77038195f5fa82b677892ac22dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.